Diabetes mellitus (DM) is a metabolic disorder that identified by hyperglycemia. The disorder in carbohydrate, fat, and protein metabolism that is related to diabetes, are due to deficient action of insulin on the target tissues. There are many people that suffering from type II. It is believed that type II diabetes can’t turn into type I diabetes, as the two conditions have different causes and this is true. We have another opinion as we know type II diabetes is a progressive condition. Over time the pancreas become more lazy and people with type II diabetes may finally require insulin for their treatment. So, the main objective of this commentary discusses if patients that suffering from type II could convert to type I or not.